CN101937633B - A kind of LED display bad point location positioning method and system - Google Patents
A kind of LED display bad point location positioning method and system Download PDFInfo
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Abstract
The invention discloses a kind of LED display bad point location positioning method and system, method step comprises; A, the coordinate figure of each pixel in LED display and the composition structured data of described LED display are set; B, detect the display data of each pixel in described LED display; C, judge whether each pixel bad point occurs, and is according to described display data, determine each bad point coordinate figure; D, composition structured data according to each bad point coordinate figure and described LED display, determine the position of each bad point in described LED display, obtain the position data of each bad point; E, show the position data of each bad point, and indicate the position of each bad point; Described system correspondence arranges detecting unit, processing unit, display unit and some indicating members.The localization method of bad point of the present invention is simple, and, the particular location of each bad point can be found fast, thus maintain and replace is carried out to it.
Description
Technical field
The present invention relates to lighting device, particularly relate to a kind of LED display bad point location positioning method and LED display bad point location positioning system.
Background technology
Along with the development of LED display technique, LED display application and the brightening of LED decorations are applied because its energy consumption is low, color reducibility is strong, the features such as life-span length, enormous size, exotic shape, be applied to various occasion more and more widely, particularly large LED display screen, more aobvious important in being great occasion or global activity.
In prior art, there is various faults detection scheme, the trickle fault that LED display occurs can be detected, and obtain the concrete fault data occurred, but for the location of fault bad point, generally all need in conjunction with fault data, by the method for removing of more complicated, just can navigate to concrete bad point position, and, due to the pixel of large LED display screen composition, cell board, and the formation quantity of casing is all very many, and in actual applications, position data only by obtaining, be difficult in large-scale display screen, find the bad point specifically broken down fast, thus maintain and replace is carried out to it.
Therefore, prior art existing defects, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of localization method simple, and, the particular location of each bad point can be found fast, thus the LED display bad point location positioning method of maintain and replace is carried out to it, and the system corresponding with the method.
Technical scheme of the present invention is as follows: a kind of LED display bad point location positioning method, wherein, comprises the steps; A, the coordinate figure of each pixel in LED display and the composition structured data of described LED display are set; B, detect the display data of each pixel in described LED display; C, judge whether each pixel bad point occurs, and is according to described display data, determine each bad point coordinate figure; D, composition structured data according to each bad point coordinate figure and described LED display, determine the position of each bad point in described LED display, obtain the position data of each bad point, and according to the position data of each bad point, send indicator signal data; E, show the position data of each bad point, and, the position of each bad point is indicated according to described indicator signal data.
Be applied to example, in described LED display bad point location positioning method, in steps A, the described coordinate figure arranging each pixel in LED display specifically performs following steps: according to screen body resolution and the line information of described LED display, arrange the coordinate figure of each pixel in described LED display respectively.
Be applied to above-mentioned each example, in described LED display bad point location positioning method, in steps A, the composition structured data of described LED display comprises the cell board composition structured data of described LED display and the casing composition structured data of described LED display; In step D, determine each bad point place cell board and the position of place casing in described LED display.
Be applied to above-mentioned each example, in described LED display bad point location positioning method, step e specifically performs: show each bad point coordinate figure data, each bad point place cell board and the position data of place casing in described LED display thereof; Further, each bad point, its place cell board and the position of place casing in described LED display thereof is indicated.
Be applied to above-mentioned each example, in described LED display bad point location positioning method, after execution step e, also perform step F: change each bad point in described LED display.
Corresponding to above-mentioned each example, a kind of LED display bad point location positioning system, wherein, comprises interconnective detecting unit, processing unit, display unit and some indicating members; Described detecting unit comprises some detection sub-unit, detects the display data of each pixel in outside LED display respectively, and sends to described processing unit; Described processing unit comprises default input end, the first processing module and the second processing module; Described default input end is for the composition structured data of the coordinate figure and described LED display that arrange each pixel in described LED display, wherein, the composition structured data of described LED display comprises the cell board composition structured data of described LED display and the casing composition structured data of described LED display; Described first processing module is used for according to described display data, determines whether each pixel bad point occurs, and is, determines each bad point coordinate figure, and be sent to described second processing module; Described second processing module is used for the composition structured data according to each bad point coordinate figure and described LED display, determine the position of each bad point in described LED display, obtain the position data of each bad point, and according to the position data of each bad point, send bad point indicator signal data; Described display unit is for receiving and showing the position data of each bad point, and each indicating member is used for according to described indicator signal data, indicates the position of each bad point.
Be applied to example, in described LED display bad point location positioning system, described default input end also for according to the screen body resolution of described LED display and line information, arranges the coordinate figure of each pixel in described LED display respectively.
Be applied to above-mentioned each example, in described LED display bad point location positioning system, each indicating member is corresponding with at least two pixels in described LED display to be arranged, and for when each pixel generation bad point of its correspondence, indicates the position of each bad point.
Be applied to above-mentioned each example, in described LED display bad point location positioning system, the cell board of the described LED display of the corresponding composition of each indicating member, each indicating member is fixedly installed on the display back side of its corresponding unit plate; Or each casing forming described LED display also correspondence arranges an indicating member, is used to indicate each pixel generation bad point in this casing.
Be applied to above-mentioned each example, in described LED display bad point location positioning system, it also comprises described LED display.
Adopt such scheme, first the present invention by arranging the coordinate figure of each pixel in LED display and the composition structured data of described LED display; Detect the display data of each pixel in described LED display again; Again according to the coordinate figure of each pixel, determine each bad point coordinate figure, and, according to the composition structured data of each bad point coordinate figure and described LED display, obtain the position data of each bad point, and, bad point indicator signal data are sent according to bad point position data, finally by the position data of each bad point of display and the position of each bad point of instruction, thus can locate the particular location of each bad point, localization method is very simple, and, can watch the particular location of bad point in LED display very intuitively, thus can find each bad point fast, convenient for maintaining is changed.
Accompanying drawing explanation
Fig. 1 is a kind of schematic flow sheet of method of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, present embodiments provide a kind of LED display bad point location positioning method, described LED display bad point location positioning method is used for when LED display generation bad point, the method for simple and fast can be adopted to find the particular location of this bad point, thus carry out maintain and replace to it.
First, the coordinate figure of each pixel in LED display and the composition structured data of described LED display are set; Such as, the coordinate figure of each pixel in described LED display and the composition structured data of described LED display can be set at the default input end of a processing unit.
Wherein, the coordinate figure of each pixel refers to, each row of each pixel in the screen body resolution of described LED display with the position data of each row.Such as, a regular rectangle screen can the pixel in the lower left corner be the initial point of the direct coordinate system of plane, using ranks as coordinate in length and breadth.And for example, a special-shaped screen can the pixel in the lower left corner be the initial point of the direct coordinate system of plane, using ranks as coordinate in length and breadth, now can there is the coordinate points of negative; Also can a virtual pixel in the lower left corner be the initial point of the direct coordinate system of plane, using ranks as coordinate in length and breadth, now the coordinate of each pixel be positive integer.
Such as, can according to the screen body resolution of described LED display and line information, arrange the coordinate figure of each pixel in described LED display respectively, e.g., the screen body resolution of described LED display is 1600 × 900, the pixel coordinate figure being then in the 1st row the 1st row can be set to (1,1) coordinate figure, being in the pixel that the 360th row 350 arranges can be set to (350,360) or be set to (360,350), so analogize.
The composition structured data of described LED display comprises the structured data of each ingredient of described LED display, such as, described LED display is made up of one or more casing, each casing is made up of one or more cell board, then the composition structured data of described LED display comprises, the cell board composition structured data of described LED display and the casing composition structured data of described LED display, specifically comprise arranged evenly at each cell board of the quantity of the cell board forming described LED display and each pixel, and form the quantity of described LED display casing, each pixel is arranged evenly each casing, and arranged evenly at each casing of each cell board.
Then, the display data of each pixel in described LED display are detected; Such as, some detection sub-unit can be fixedly installed in described LED display, the display data of each pixel in described LED display are detected respectively by each detection sub-unit, wherein, each detection sub-unit correspondingly can detect one or more pixel, forms each cell board or the corresponding one or more detection sub-unit of each casing of described LED display.
Moreover according to described display data, judging whether each pixel bad point occurs, when a certain pixel generation bad point, is determine the coordinate figure of this bad point; Such as, can by described display data, the current value, magnitude of voltage, electrical signal data etc. of each pixel judge whether each pixel bad point occurs, described bad point refer to each pixel because breaking down cisco unity malfunction.After described in judging as generation bad point, then according to the display data of this bad point and the pixel coordinate figure of corresponding setting thereof, then can determine the coordinate figure of each bad point.
After determining the coordinate figure of each bad point, then the composition structured data of described LED display according to each bad point coordinate figure and input, determine the position of each bad point in described LED display, thus obtain the position data of each bad point.
Such as, according to the coordinate figure of each bad point and the cell board composition structured data of described LED display, the position of each bad point in described LED display is determined; Further, according to the coordinate figure of each bad point and the casing composition structured data of described LED display, the position of casing in described LED display, each bad point place is determined; Or, according to the coordinate figure of each bad point and the cell board composition structured data of described LED display, determine the position of cell board in described LED display, each bad point place, and cell board is in the position of described casing.
And for example, the coordinate figure of a certain bad point is (60, 60), described LED display is made up of two tanks, each casing is made up of two cell boards, coordinate figure (1, 1)-(50, 50) first casing is arranged on, coordinate figure (51, 51)-(100, 100) second casing is arranged on, then can determine that the position of this bad point is second casing, and, when coordinate figure (51, 51)-(75, 75) the first module plate of second casing is arranged on, (76, 76)-(100, 100) the second unit plate of second casing is arranged on, then can judge that described bad point can determine the particular location of each bad point on first cell board of second casing, and, generate the position data of each bad point.
Finally, the position data of each bad point is sent in display unit, is shown the position of each bad point by described display unit, and, the position of each bad point can be indicated by arranging each indicating member.
Such as, the position data of each bad point can comprise display each bad point coordinate figure data, each bad point place cell board and the position data of place casing in described LED display thereof; The particular location of each bad point can be known by the position data showing each bad point.
Further, the position of cell board in described LED display, each bad point place is indicated, and the position of casing in described LED display, each bad point place.
Such as, an indicating member can being set respectively in each casing and each cell board, when there is bad point by each indicating member, the casing that bad point occurs can being found out fast, and there is the cell board of bad point, can fast each bad point be keeped in repair and be changed.
Finally, each bad point in described LED display can also be changed, such as, only can change bad point, or, when bad point is more, a monolithic unit plate can be changed, or change whole casing, reach best to make the display effect of described LED display.
Embodiment 2
Corresponding to above-mentioned each example, the present embodiment provides a kind of LED display bad point location positioning system, described LED display bad point location positioning system, may be used for when LED display generation bad point, the method of simple and fast can be adopted to find the particular location of this bad point, thus maintain and replace is carried out to it.
Described LED display bad point location positioning system comprises interconnective detecting unit, processing unit, display unit and some indicating members.
Described detecting unit comprises some detection sub-unit, each detection sub-unit detects the display data of each pixel in outside LED display respectively, such as, described LED display is made up of some casings, each casing is made up of some cell boards, each cell board arranges some pixels, each detection sub-unit can corresponding one or more pixel, its display data are detected for correspondence, each cell board can corresponding one or more detection sub-unit, and, each casing is corresponding one or more detection sub-unit also, the display Data Concurrent of each pixel detected is given described processing unit by each detection sub-unit.
Described processing unit comprises default input end, the first processing module and the second processing module.
Wherein, described default input end is for the composition structured data of the coordinate figure and described LED display that arrange each pixel in described LED display, and the coordinate figure of each pixel is sent to the first processing module, further, the composition structured data of described LED display is sent to the second processing module.
Wherein, the coordinate figure of each pixel refers to, each row of each pixel in the screen body resolution of described LED display with the position data of each row; Such as, can according to the screen body resolution of described LED display and line information, arrange the coordinate figure of each pixel in described LED display respectively, e.g., the screen body resolution of described LED display is 1600 × 900, the pixel coordinate figure being then in the 1st row the 1st row can be set to (1,1) coordinate figure, being in the pixel that the 360th row 350 arranges can be set to (350,360) or be set to (360,350), so analogize.
Further, the composition structured data of described LED display comprises the cell board composition structured data of described LED display and the casing composition structured data of described LED display; Specifically comprise arranged evenly at each cell board of the quantity of the cell board forming described LED display and each pixel, and form arranged evenly at each casing of the quantity of described LED display casing and each pixel, or be that each cell board, each casing are in the positional information of described LED display.
Described first processing module receives the coordinate figure of each pixel, and, receive the display data from each pixel of described detecting unit, further, according to described display data, first determine whether each pixel bad point occurs, when for there is bad point in a certain pixel, then according to can the coordinate figure of corresponding each pixel, determine the coordinate figure that this each bad point is corresponding, and be sent to described second processing module;
Such as, can by described display data, the current value, magnitude of voltage, electrical signal data etc. of each pixel judge whether each pixel bad point occurs, described bad point refer to each pixel because breaking down cisco unity malfunction; After described in judging as generation bad point, then according to the display data of this bad point and the coordinate figure of the corresponding pixel set thereof, then can determine the coordinate figure of each bad point.
Described second processing module receives the coordinate figure of each bad point sent from the first processing module, and according to the composition structured data of described LED display, determines the position of each bad point in described LED display, obtain the position data of each bad point.
Such as, according to the coordinate figure of each bad point and the cell board composition structured data of described LED display, the position of each bad point in described LED display is determined; Further, according to the coordinate figure of each bad point and the casing composition structured data of described LED display, the position of casing in described LED display, each bad point place is determined; Or, according to the coordinate figure of each bad point and the cell board composition structured data of described LED display, determine the position of cell board in described LED display, each bad point place; Or, at the cell board composition structured data of the coordinate figure according to each bad point, described LED display and the casing composition structured data of described LED display, determine that each cell board in each bad point place is in the position of described casing.
And for example, the coordinate figure of a certain bad point is (60, 60), described LED display is made up of two tanks, each casing is made up of two cell boards, coordinate figure (1, 1)-(50, 50) first casing is arranged on, coordinate figure (51, 51)-(100, 100) second casing is arranged on, then can determine that the position of this bad point is at second casing, and, when coordinate figure (51, 51)-(75, 75) the first module plate of second casing is arranged on, (76, 76)-(100, 100) the second unit plate of second casing is arranged on, then can judge that described bad point is on the first module plate of second casing.Thus the particular location of each bad point can be determined, and, generate the position data of each bad point.
Further, described second processing module, also according to the position data of each bad point, generate the indicator signal data of each bad point, and correspondence is dealt into each indicating member.
Wherein, described display unit also receives the position data of each bad point from described second processing module, and, show described position data, described display unit can be various display screen, by showing described position data, can know the position that each bad point occurs.
Such as, the position data of each bad point can comprise each bad point coordinate figure data of display, the position data of each bad point place cell board in described LED display, the position data of each bad point place casing in described LED display and each cell board position data at described casing; Thus the particular location of each bad point can be known by display.
And, each indicating member can according to described indicator signal data, carry out the position indicating bad point, such as, can arrange one or more indicating member respectively in each casing and each cell board, the corresponding two or more pixel of each indicating member, by each indicating member, the casing that bad point occurs, the cell board that bad point occurs can be found out fast and the concrete pixel of bad point occurs, thus can fast each bad point be keeped in repair and be changed.
Or, also can the cell board of the described LED display of the corresponding composition of each indicating member, each indicating member is fixedly installed on the display back side of its corresponding unit plate; Namely each indicating member is arranged on the back side relative with the display surface of described LED display, in order to not affect the display effect of the display surface of described LED display, each electronic component of general described LED display is all fixed on its display back side, by each indicating member being arranged on its display back side, the cell board of corresponding bad point can be found out from its back side fast, thus carry out maintenance conditions.
Or, each casing forming described LED display also correspondence arranges an indicating member, be used to indicate each pixel generation bad point in this casing, by determining the position of bad point place casing, determine the position of its place cell board again, finally determine the position of its concrete pixel, defining method is simple and practical.
By each indicating member, the casing of bad point, the unit of bad point and bad pixel can be found very intuitively, thus make the discovery of the bad point of fault more directly perceived, bad point can be found fast, thus carry out maintain and replace.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (8)
1. a LED display bad point location positioning method, is characterized in that, comprises the steps;
A, according to the screen body resolution of described LED display and line information, arrange the coordinate figure of each pixel in described LED display and the composition structured data of described LED display respectively, the composition structured data of described LED display comprises the cell board composition structured data of described LED display and the casing composition structured data of described LED display;
B, detect the display data of each pixel in described LED display;
C, judge whether each pixel bad point occurs according to described display data, be then according to the display data of this bad point and the pixel coordinate figure of corresponding setting thereof, determine the coordinate figure of each bad point;
D, composition structured data according to each bad point coordinate figure and described LED display, determine the position of each bad point in described LED display, and each bad point place cell board and the position of place casing in described LED display, obtain the position data of each bad point, and according to the position data of each bad point, send indicator signal data;
E, show the position data of each bad point, and, the position of each bad point is indicated according to described indicator signal data.
2. LED display bad point location positioning method according to claim 1, it is characterized in that, step e specifically performs: show each bad point coordinate figure data, each bad point place cell board and the position data of place casing in described LED display thereof; Further, each bad point, its place cell board and the position of place casing in described LED display thereof is indicated.
3. LED display bad point location positioning method according to claim 1, is characterized in that, after execution step e, also performs step F: change each bad point in described LED display.
4. a LED display bad point location positioning system, is characterized in that, comprises interconnective detecting unit, processing unit, display unit and some indicating members;
Described detecting unit comprises some detection sub-unit, detects the display data of each pixel in outside LED display respectively, and sends to described processing unit;
Described processing unit comprises default input end, the first processing module and the second processing module;
Described default input end is for the composition structured data of the coordinate figure and described LED display that arrange each pixel in described LED display, wherein, the composition structured data of described LED display comprises the cell board composition structured data of described LED display and the casing composition structured data of described LED display;
Described first processing module is used for according to described display data, determines whether each pixel bad point occurs, and is, determines each bad point coordinate figure, and be sent to described second processing module;
Described second processing module is used for the composition structured data according to each bad point coordinate figure and described LED display, determine the position of each bad point in described LED display, obtain the position data of each bad point, and according to the position data of each bad point, send bad point indicator signal data;
Described display unit is for receiving and showing the position data of each bad point, and each indicating member is used for according to described indicator signal data, indicates the position of each bad point.
5. LED display bad point location positioning system according to claim 4, it is characterized in that, described default input end also for according to the screen body resolution of described LED display and line information, arranges the coordinate figure of each pixel in described LED display respectively.
6. LED display bad point location positioning system according to claim 4, it is characterized in that, each indicating member is corresponding with at least two pixels in described LED display to be arranged, and for when each pixel generation bad point of its correspondence, indicates the position of each bad point.
7. LED display bad point location positioning system according to claim 6, is characterized in that, the cell board of the described LED display of the corresponding composition of each indicating member, and each indicating member is fixedly installed on the display back side of its corresponding unit plate; Or each casing forming described LED display also correspondence arranges an indicating member, is used to indicate each pixel generation bad point in this casing.
8. LED display bad point location positioning system according to claim 7, it is characterized in that, it also comprises described LED display.
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| CN104112413B (en) * | 2013-04-17 | 2016-12-28 | 深圳市德彩光电有限公司 | LED display bad point point detection system |
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| CN107680523B (en) * | 2017-11-21 | 2021-01-26 | Tcl华星光电技术有限公司 | Method for detecting cross line defect of array substrate |
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Effective date of registration: 20191031 Address after: 314100 room 107, building 3, No.118, Kangbao Road, ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Junhong Optical Co., Ltd Address before: Futian District Che Kung Temple Tairan industrial zone of Shenzhen city in Guangdong province 518040 211 706 Patentee before: Shenzhen Zhongqingwei Technology Development Co., Ltd. |